Sunspot region AR8721

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/04 6 50 CSO S17E56
1999/10/05 12 100 EAO S19E46
1999/10/06 7 110 EAO S18E34
1999/10/07 7 60 DAO S19E20
1999/10/08 6 70 DSO S19E05
1999/10/09 3 40 CAO S17W12
1999/10/10 7 30 CSO S17W24
1999/10/11 2 10 HRX S17W37
1999/10/12 1 10 HRX S16W50
1999/10/13 1 0 AXX S15W64

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

100%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/11/06X2.3
Last M-flare2024/11/08M1.4
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024190.1 +23.7
Last 30 days162 +13.2

This day in history*

Solar flares
12004X1.28
22002M6.59
32015M5.66
42001M4.78
52001M4.47
DstG
11991-354G4
22004-214G4
31998-142G3
41975-110G2
51992-97G2
*since 1994

Social networks